Samsung Level Box
There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
A speaker driver is an individual transducer that converts electrical energy to sound waves. More drivers may result in better sound quality.
Vifa Stockholm 2.0
The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.
Meridian Explorer 2
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
A remote control allows you to control the device remotely. The remote control can be included or optional.
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
A passive radiator looks like a normal driver (speaker) from the front, but on the backside all of its 'guts' are removed. Passive radiators allow woofers to produce deep tones that otherwise may not have been possible. They can have the same sonic output as larger speaker cabinets, but in a much smaller size.
More microphones result in better sound quality and enable the device to filter out background noise.
Amazon Echo Show
The battery can be recharged and used over again.
The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.
The device can connect to WiFi.
Bluesound Pulse 2i
An auxiliary input allows you to play other audio sources by connecting them through a simple audio connection like a 3.5mm jack, i.e for MP3 or portable DVD/CD player.
With a standard mini jack socket, you can use the device with most headphones.
Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.
With more USB ports, you are able to connect more devices.
Wireless devices allow users more freedom of movement.